Polypenkolonien, Wanderfrusteln und Entwicklungsstadien der Medusen von Craspedacusta sowerbii

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Formal Metadata

Title
Polypenkolonien, Wanderfrusteln und Entwicklungsstadien der Medusen von Craspedacusta sowerbii
Alternative Title
Polyp Colonies, Migratory Frustules and Morphogenesis of the Medusae of Craspedacusta sowerbii
Author
Haefelfinger, Hans-Rudolf
License
No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties.
DOI
IWF Signature
D 1167
Publisher
IWF (Göttingen)
Release Date
1975
Language
German
Producer
Naturhistorisches Museum Basel
IWF
Production Year
1968

Technical Metadata

IWF Technical Data
Film, 16 mm, LT, 62 m ; SW, 6 min

Content Metadata

Subject Area
Abstract
Süßwassermeduse; Hydrozoa. Habitus und Bewegung des Polypen. Bildung von Wanderfrusteln und Medusen durch Knospung. Fortbewegung der Frusteln, Entwicklung der Meduse, Habitus und Bewegung.
The film shows individual examples and colonies of the polyps Craspedacusta sowerbii. Using a quick motion effect camera, searching movements of the polyp heads are shown. The lateral bud formation of the polyps is shown as asexual reproduction. Separation of the newly formed bud from the mother polyp and creeping motion are shown in quick motion and at normal speed.
Keywords
Hydrozoa
Süßwassermeduse
Craspedacusta sowerbyi
Wanderfrustelbildung
Polypen
Kolonie / Coelenterata
colony / Coelenterata
polyps
migratory frustules formation
Craspedacusta sowerbyi
freshwater jellyfish
Hydrozoa
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Timings

  359 ms - page object

Version

AV-Portal 3.9.2 (c7d7a940c57b22d0bc6d7f70d6f13fde2ef2d4b8)